name: Deploy Doxygen docs

on:
  push:
    branches: [master]

permissions:
  contents: read
  pages: write
  id-token: write

concurrency:
  group: "pages"
  cancel-in-progress: true

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4

      - name: Install Doxygen
        run: sudo apt-get update && sudo apt-get install -y doxygen graphviz perl

      - name: Create output directory
        run: mkdir -p build/docs

      - name: Generate docs
        run: ./docs/build_docs.sh

      - name: Disable Jekyll
        run: touch build/docs/html/.nojekyll

      - name: Upload Pages artifact
        uses: actions/upload-pages-artifact@v3
        with:
          path: build/docs/html

  deploy:
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    runs-on: ubuntu-latest
    needs: build

    steps:
      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v4